Computer Science/IT MCQs
Topic Notes: Computer Science/IT
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
3651
Which network type is more energy-efficient?
Answer:
Wired network
Transmitting data over a wire generally consumes less power than broadcasting a wireless signal.
3652
What is a "strong password"?
Answer:
A password that is long and complex, and includes a mix of uppercase and lowercase letters, numbers, and symbols
A strong password is much more difficult for hackers to guess or crack.
3653
When is it safe to accept a self-signed certificate?
Answer:
When you are connecting to a device on your local network, such as a router or a printer
In this case, you can be reasonably sure that you are connecting to the correct device.
3654
Which network type is more prone to signal degradation over distance?
Answer:
Both b and c
Both copper cables and wireless signals lose strength over distance, although fiber optic cables are much less susceptible to this.
3655
Which device would you use to segment a large LAN into smaller, more manageable parts?
Answer:
Router
A router can be used to create subnets, which are smaller logical divisions of a network, to improve performance and security.
3656
HTML is similar to a
Answer:
Scripting language
HTML is a markup and scripting language used to define the structure and content of web pages.
3657
Which device is a "dumb" device that doesn't make any decisions?
Answer:
Hub
A hub simply repeats signals without any intelligence or decision-making.
3658
Which network type is more scalable (easier to add new devices)?
Answer:
Wireless network
Adding a new device to a wireless network is as simple as entering the password, whereas a wired network requires a physical port and cable.
3659
What is a "filter bubble"?
Answer:
A state of intellectual isolation that can result from personalized searches
A filter bubble can limit your exposure to new ideas and perspectives.
3660
What is the process by which a search engine discovers new and updated content called?
Answer:
Crawling
Search engines use "spiders" or "bots" to follow links and discover new pages to add to their index.